P. Maity, S. Srivastava, A. K. Jagannatham and L. Hanzo, "Joint Angle and Velocity-Estimation for Target Localization in Bistatic mmWave MIMO Radar in the Presence of Clutter", accepted for publication in IEEE Transactions on Communications

J. Singh, A. Mehrotra, S. Srivastava, A. K. Jagannatham and L. Hanzo, "Spectral Efficiency Maximization for mmWave MIMO-Aided Integrated Sensing and Communication Under Practical Constraints", accepted for publication in IEEE Transactions on Vehicular Technology

A. Gupta, J. Singh, S. Srivastava, A. K. Jagannatham and L. Hanzo, "Bayesian Learning Aided Parameter Estimation and Joint Beamformer Design in mmWave MIMO-OFDM ISAC Systems", accepted for publication in IEEE Transactions on Communications

A. Garg, S. Srivastava, V. Dubey, A. K. Jagannatham and L. Hanzo, "Semi-Blind Channel Estimation and Hybrid Receiver Beamforming in the Tera-Hertz Multi-User Massive MIMO Uplink", accepted for publication in IEEE Transactions on Vehicular Technology

P. Maity, D. Harish, S. Srivastava, A. K. Jagannatham and L. Hanzo, "Variational Bayesian Learning for 3D Localization of Extended Targets in mmWave MIMO OFDM ISAC Systems", accepted for publication in IEEE Open Journal of the Communications Society

A. Gupta, P. Ganji, S. Srivastava and A. K. Jagannatham, "Data-Aided Bistatic Sensing and Communication for mmWave MIMO-OFDM ISAC Systems", accepted for publication in IEEE Transactions on Communications

M. Jafri, P. Kumar, S. Srivastava, A. K. Jagannatham and L. Hanzo, "Robust Hybrid Beamforming in Cooperative Cell-free mmWave MIMO Networks Relying on Imperfect CSI", accepted for publication in IEEE Transactions on Vehicular Technology 

A. Mehrotra, J. Singh, S. Srivastava, R. K. Singh, A. K. Jagannatham and L. Hanzo, "Multi-dimensional Sparse CSI Acquisition for Hybrid mmWave MIMO OTFS Systems", accepted for publication in IEEE Transactions on Communications 

J. Singh, B. Naveen, S. Srivastava, A. K. Jagannatham and L. Hanzo, "Pareto-Optimal Hybrid Beamforming for Finite-Blocklength Millimeter Wave Systems", IEEE Transactions on Vehicular Technology, Jan. 2025, (DOI: 10.1109/TVT.2025.3534021) 

M. Jafri, S. Kumar, S. Srivastava, A. K. Jagannatham and L. Hanzo, “Distributed Hybrid Beamforming in mmWave Multi-Cell Systems in the Presence of Cell-Edge Users Relying on Stochastic Channel Uncertainty”, IEEE Transactions on Communications, Dec. 2024, (DOI: 10.1109/TCOMM.2024. 3519535)

J. Singh, B. Naveen, S. Srivastava, A. K. Jagannatham and L. Hanzo, “Pareto Optimal Hybrid Beamforming for Short-Packet Millimeter-Wave Integrated Sensing and Communication”, IEEE Transactions on Communications, Dec. 2024, (DOI: 10.1109/TCOMM.2024.3511704)

A. Mehrotra, S. Srivastava, S. Reddy, A. K. Jagannatham and L. Hanzo, “Sparse Channel Estimation for MIMO OTFS/OTSM Systems Using Finite-Resolution ADCs”, IEEE Transactions on Communications, Nov. 2024, (DOI: 10.1109/TCOMM.2024.3502682)

M. Jafri, S. Srivastava, and A. K. Jagannatham, “Sparse Target Parameter and Channel Estimation in mmWave MIMO OTFS-aided Integrated Sensing and Communication Systems”, IEEE Transactions on Communications, Aug. 2024, (DOI: 10.1109/TCOMM.2024.3440874)

J. Singh, S. Srivastava, S. P. Yadav, A. K. Jagannatham and L. Hanzo, “Joint Hybrid Transceiver and Reflection Matrix Design for RIS-Aided mmWave MIMO Cognitive Radio Systems”, IEEE Transactions on Cognitive Communications and Networking, vol. 11, pp. 391-407, June 2024

M. Jafri, S. Srivastava, P. Kumar, A. K. Jagannatham and L. Hanzo, “Cooperative Hybrid Beamforming for the Mitigation of Realistic Asynchronous Interference in Cell-free mmWave MIMO Networks”, IEEE Transactions on Communications, vol. 72, pp. 6737-6751, May 2024

A. Garg, S. Srivastava, N. Yadav, A. K. Jagannatham and L. Hanzo, “Angularly Sparse Channel Estimation in Dual-Wideband Tera-Hertz (THz) Hybrid MIMO Systems Relying on Bayesian Learning”, IEEE Transactions on Communications, vol. 72, pp. 4384-4400, Feb. 2024 

A. Gupta, M. Jafri, S. Srivastava, A. K. Jagannatham and L. Hanzo, “An Affine Precoded Superimposed Pilot Based mmWave MIMO-OFDM ISAC System”, IEEE Open Journal of the Communications Society, vol. 5, pp. 1504-1524, Feb. 2024

M. Jafri, S. Srivastava, S. Kumar, A. K. Jagannatham and L. Hanzo, “Asynchronous Distributed Coordinated Hybrid Precoding in Multi-Cell mmWave Wireless Networks”, IEEE Open Journal of Vehicular Technology, vol. 5, pp. 200-218, Jan. 2024 

P. S. Kumar, A. Chawla, S. Srivastava, A. K. Jagannatham and L. Hanzo, “Decision Fusion in Centralized and Distributed Multiuser Millimeter Wave Massive MIMO-OFDM Sensor Networks,” IEEE Open Journal of the Communications Society, vol. 5, pp. 185-201, Dec. 2023

A. Mehrotra, S. Srivastava, S. Asifa, A. K. Jagannatham and L. Hanzo, “Online Bayesian Learning Aided Sparse CSI Estimation in OTFS Modulated MIMO Systems for Ultra-High-Doppler Scenarios”, IEEE Transactions on Communications, vol. 72, pp. 2182-2200, Dec. 2023

J. Singh, S. Srivastava, A. K. Jagannatham and L. Hanzo, “Joint Transceiver and Reconfigurable Intelligent Surface Design for Multiuser mmWave MIMO Systems Relying on Non-Diagonal Phase Shift Matrices”, IEEE Open Journal of the Communications Society, vol. 4, pp. 2897-2912, Oct. 2023

S. Saxena, S. Srivastava, S. Sharma, A. K. Jagannatham and L. Hanzo, “Sparse Channel Estimation for Visible Light Optical OFDM Systems Relying on Bayesian Learning”, IEEE Open Journal of the Communications Society, vol. 4, pp. 2062-2079, Sep. 2023

I. Chatterjee, J. Singh, S. Srivastava and A. K. Jagannatham, “Frequency Selective Hybrid Beamforming and Optimal Power Loading for Multiuser Millimeter Wave Cognitive Radio Networks”, IEEE Access, vol. 11, pp. 96052 - 96067, Aug. 2023

J. Singh, S. Srivastava, S. P. Yadav, A. K. Jagannatham and L. Hanzo, “Energy Efficiency Optimization in Reconfigurable Intelligent Surface Aided Hybrid Multiuser mmWave MIMO Systems”, IEEE Open Journal of Vehicular Technology, vol. 4, pp. 581 - 589, Aug. 2023

P. Maity, S. Srivastava, K. P. Rajput, N K D Venkategowda, A. K. Jagannatham and L. Hanzo, “Hybrid Precoder and Combiner Designs for Decentralized Parameter Estimation in mmWave MIMO Wireless Sensor Networks”, IEEE Internet of Things Journal, DOI: 10.1109/JIOT.2023.3290108

A. Mehrotra, S. Srivastava, A. K. Jagannatham and L. Hanzo, “Data-Aided CSI Estimation Using Affine-Precoded Superimposed Pilots in Orthogonal Time Frequency Space Modulated MIMO Systems”, IEEE Transactions on Communications, DOI: 10.1109/TCOMM.2023.3280550

P. Maity, K. P. Rajput, S. Srivastava, N K D Venkategowda, A. K. Jagannatham and L. Hanzo, “Robust Hybrid Transceiver Designs for Linear Decentralized Estimation in mmWave MIMO IoT Networks in the Face of Imperfect CSI”, IEEE Internet of Things Journal, DOI: 10.1109/JIOT.2023.3277965

K. P. Rajput, S. Srivastava, A. K. Jagannatham and L. Hanzo, “Robust Linear Decentralized Tracking of a Time-Varying Sparse Parameter Relying on Imperfect CSI”, IEEE Internet of Things Journal, vol. 10, pp. 16156-16168, April 2023

J. Singh, I. Chatterjee, S. Srivastava, A. Agrahari, A. K. Jagannatham and L. Hanzo, “Hybrid Transceiver Design and Optimal Power Allocation for the Cognitive mmWave Multiuser MIMO Downlink Relying on Limited Feedback”, IEEE Open Journal of Vehicular Technology, vol. 4, pp. 241 - 256, Jan. 2023

M. Jafri, S. Srivastava, N K D Venkategowda, A. K. Jagannatham and L. Hanzo, “Cooperative Hybrid Transmit Beamforming in Cell-free mmWave MIMO Networks”, IEEE Transactions on Vehicular Technology, vol. 72, pp. 6023 - 6038, Jan. 2023

K. P. Rajput, P. Maity, S. Srivastava, V. Sharma, N K D Venkategowda, A. K. Jagannatham and L. Hanzo, “Robust Linear Hybrid Beamforming Designs Relying on Imperfect CSI in mmWave MIMO IoT Networks”, IEEE Internet of Things Journal, vol. 10, pp. 8893 - 8906, Dec. 2022

M. Jafri, S. Srivastava, S. Anwer and A. K. Jagannatham, “Sparse Parameter Estimation and Imaging in mmWave MIMO Radar Systems with Multiple Stationary and Mobile Targets”, IEEE Access, vol. 10, pp. 132836 - 132852, Dec. 2022

P. Maity, S. Srivastava, S. Khatri and A. K. Jagannatham, “Dictionary-Learning (DL)-Based Sparse CSI Estimation in Multiuser Terahertz (THz) Hybrid MIMO Systems under Hardware Impairments and Beam-Squint Effect”, IEEE Access, vol. 10, pp. 113699 - 113714, Oct. 2022

M. Jafri, A. Anand, S. Srivastava, A. K. Jagannatham and L. Hanzo, “Robust Distributed Hybrid Beamforming in Coordinated Multi-user Multi-cell mmWave MIMO Systems Relying on Imperfect CSI”, IEEE Transactions on Communications, vol. 70, pp. 8123 - 8137, Oct. 2022

S. Srivastava, R. K. Singh, A. K. Jagannatham and L. Hanzo “Delay-Doppler and Angular Domain 4D-Sparse CSI Estimation in OTFS Aided MIMO Systems”, IEEE Transactions on Vehicular Technology, vol. 71, pp. 13447 - 13452, Sep. 2022

S. Srivastava, A. Tripathi, N. Varshney, A. K. Jagannatham and L. Hanzo “Hybrid Transceiver Design for Tera-Hertz MIMO Systems Relying on Bayesian Learning Aided Sparse Channel Estimation”, IEEE Transactions on Wireless Communications, vol. 22, pp. 2231 - 2245, Oct. 2022

S. Srivastava, R. K. Singh, A. K. Jagannatham, A. Chockalingam and L. Hanzo “OTFS Transceiver Design and Sparse Doubly-Selective CSI Estimation in Analog and Hybrid Beamforming Aided mmWave MIMO Systems”, IEEE Transactions on Wireless Communications, vol. 21, pp. 10902 - 10917, July 2022

P. Singh, S. Srivastava, A. Mishra, A. K. Jagannatham and L. Hanzo, “Sparse Bayesian Learning Aided Estimation of Doubly-Selective MIMO Channels for Filter Bank Multicarrier Systems”, IEEE Transactions on Communications, vol. 70, pp. 4236-4249, June 2022

A. Chawla, P. S. Kumar, S. Srivastava and A. K. Jagannatham “Centralized and Distributed Millimeter Wave Massive MIMO based Data Fusion with Perfect and Bayesian Learning (BL)-based Imperfect CSI”, IEEE Transactions on Communications, vol. 70, pp. 1777-1791, Mar. 2022

S. Srivastava, R. K. Singh, A. K. Jagannatham and L. Hanzo “Bayesian Learning Aided Simultaneous Row and Group Sparse Channel Estimation in Orthogonal Time Frequency Space Modulated MIMO systems”, IEEE Transactions on Communications, vol. 70, pp. 635-648, Jan. 2022

S. Srivastava, R. K. Singh, A. K. Jagannatham and L. Hanzo “Bayesian Learning Aided Sparse Channel Estimation for Orthogonal Time Frequency Space Modulated Systems”, IEEE Transactions on Vehicular Technology, vol. 70, pp. 8343-8348, Aug. 2021

K. P. Rajput, A. Kumar, S. Srivastava, A. K. Jagannatham and L. Hanzo, “Bayesian Learning-based Linear Decentralized Sparse Parameter Estimation in MIMO Wireless Sensor Networks with Perfect and Imperfect CSI”, IEEE Transactions on Communications, vol. 69, pp. 6236-6250, Sept. 2021

S. Srivastava, J. Nath and A. K. Jagannatham, “Data Aided Doubly-Selective CSI Estimation using Affine-Precoded Superimposed Pilots in Millimeter Wave MIMO-OFDM Systems”, IEEE Transactions on Vehicular Technology, vol. 70, pp. 6983-6998, July 2021

K. P. Rajput, S. Srivastava, A. Raghubabu, P. Maity and A. K. Jagannatham, “Hybrid Precoder Designs for Decentralized Parameter Estimation in Millimeter Wave (mmWave) Sensor Networks with Perfect and Imperfect CSI”, Physical Communications, vol. 47, Aug. 2021

S. Srivastava, C. S. K. Patro, A. K. Jagannatham and L. Hanzo, “Sparse, Group-Sparse and Online Bayesian Learning Aided Channel Estimation for Doubly-Selective mmWave Hybrid MIMO OFDM Systems”, IEEE Transactions on Communications, vol. 69, pp. 5843-5858, Sept. 2021

M. Majumder, H. Saxena, S. Srivastava, and A. K. Jagannatham, “Optimal Bit Allocation-Based Hybrid Precoder-Combiner Design Techniques for mmWave MIMO-OFDM Systems”, IEEE Access, vol. 9, pp. 54109-54125, April 2021

S. Srivastava, P. Sharma, S. Dwivedi, A. K. Jagannatham and L. Hanzo, “Fast Block LMS Based Estimation of Angularly Sparse Channels for Hybrid Wideband Millimeter Wave MIMO Systems”, IEEE Transactions on Vehicular Technology, vol. 70, pp. 666-681, Jan. 2021

S. Srivastava, P. Singh, A. K. Jagannatham, A. Karandikar and L. Hanzo, “Bayesian Learning-Based Doubly-Selective Sparse Channel Estimation for Millimeter Wave Hybrid MIMO-FBMC-OQAM”, IEEE Transactions on Communications, vol. 69, pp. 529-543, Jan. 2021

P. Singh, S. Srivastava, A. K. Jagannatham and L. Hanzo, “Second-Order Statistics-Based Semi-Blind Techniques for Channel Estimation in Millimeter-Wave MIMO Analog and Hybrid Beamforming”, IEEE Transactions on Communications, vol. 68, pp. 6886-6901, Nov. 2020

S. Srivastava, M. S. Kumar, A. Mishra, S. Chopra, A. K. Jagannatham and L. Hanzo, “Sparse Doubly-Selective Channel Estimation Techniques for OSTBC MIMO-OFDM Systems: A Hierarchical Bayesian Kalman Filter Based Approach”, IEEE Transactions on Communications, vol. 68, pp. 4844-4858, Aug. 2020

S. Srivastava, A. Mishra, A. Rajoriya, A. K. Jagannatham and G. Ascheid, “Quasi-Static and Time-Selective Channel Estimation for Block-Sparse Millimeter Wave Hybrid MIMO Systems: Sparse Bayesian Learning (SBL) Based Approaches”, IEEE Transactions on Signal Processing, vol. 67, pp. 1251-1266, Mar. 2019

IDF submitted for US patent through Qualcomm India Pvt. Ltd. Bangalore: Enabling Mobility for LEO Satellite based NTNs with legacy NR/LTE devices, by A. Agrawal, M. McCloud, F. Grilli, S. Srivastava and S. Nagaraja

A. Gupta, P. Ganji, S. Srivastava, and A. K. Jagannatham "Target Parameter with Gridless Doppler Estimation Using Low-Resolution ADCs in Beam-Squinted THz ISAC System", accepted for publication in International Workshop on Signal Processing and Artificial Intelligence in Wireless Communications (SPAWC), IEEE, 2025

J. Singh, S. Srivastava, and A. K. Jagannatham “Maximizing Geometric Mean Rate in RIS-Assisted Integrated Sensing and Communication Systems”, in IEEE Wireless Communications and Networking Conference (WCNC), IEEE, 2025

P. Maity, M. Chakraborty, S. Srivastava, and A. K. Jagannatham “Hybrid Precoding in mmWave Multiuser MIMO Systems with Delay Alignment Modulation (DAM)”, in IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), IEEE, 2025

S. Gehlot, N. Kumar, S. Srivastava, and S. K. Yadav "ResCNNGRU: A Hybrid Deep Learning Based Algorithm for Modulation Classification in NOMA Systems" in IEEE International Conference on Advanced Networks and Telecommunications Systems (ANTS)-2024, IEEE, 2024

S. Saxena, S. Srivastava, and A. K. Jagannatham “MMV-Aided Bayesian Learning for Simultaneous Sparse Channel Estimation in Visible Light DCO-OFDM Systems”, in IEEE International Conference on Advanced Networks and Telecommunications Systems (ANTS)-2024, IEEE, 2024

S. Gehlot, N. Kumar, S. Srivastava, and S. K. Yadav "Modulation Classification in NOMA Systems using Lightweight Dual-Pooling CNN with Superposed Constellation Density Grids (SCDGs)" in IEEE 100th Vehicular Technology Conference (VTC)-Fall, IEEE, 2024

M. Jafri, S. Srivastava, and A. K. Jagannatham “Bayesian Learning for Sparse Parameter Estimation in OTFS-Aided mmWave MIMO Radar Systems”, in 2024 European Conference on Networks and Communications (EuCNC) & 6G Summit, 2024 (*supported with travel grant and free registration)

S. Saxena, S. Srivastava, S. Sharma, and A. K. Jagannatham “Bayesian Learning-Based Sparse Channel Estimation in Visible Light ADO-OFDM Systems”, in IEEE 99th Vehicular Technology Conference (VTC)-Spring, IEEE, 2024

P. Maity, S. Srivastava, and A. K. Jagannatham “Bayesian Learning (BL)-based Extended Target localization in mmWave MIMO OFDM JRC Systems in the presence of Doppler and clutter”, in IEEE 99th Vehicular Technology Conference (VTC)-Spring, IEEE, 2024

A. Garg, A. Kumar, S. Srivastava, and A. K. Jagannatham, “Hybrid Transceiver Design and Sparse CSI Learning in MU THz Hybrid MIMO systems”, in IEEE International Conference on Signal Processing and Communications (SPCOM), IEEE, 2024 (*student best paper award)

A. Mehrotra, S. Srivastava, and A. K. Jagannatham “BLMS and BRLS-based adaptive CSI estimation for IRS-assisted SISO and MIMO systems”, in IEEE 99th Vehicular Technology Conference (VTC)-Spring, IEEE, 2024

J. Singh, S. Srivastava, and A. K. Jagannatham “Energy-Efficient Hybrid Beamforming for Integrated Sensing and Communication Enabled mmWave MIMO Systems”, in IEEE 99th Vehicular Technology Conference (VTC)-Spring, IEEE, 2024

P. Maity, S. Khatri, S. Srivastava, and A. K. Jagannatham “Dictionary Learning (DL)-based Sparse Cascaded Channel Estimation in IRS-assisted Terahertz MU-SIMO Systems With Hardware Impairments”, in IEEE Statistical Signal Processing Workshop (SSP), IEEE, 2023

M. Jafri, S. Anwer, S. Srivastava, and A. K. Jagannatham “Sparse Estimation in mmWave MIMO-OFDM Joint Radar and Communication (JRC) Systems”, in IEEE Statistical Signal Processing Workshop (SSP), IEEE, 2023

A. Mehrotra, R. K. Singh, S. Srivastava, and A. K. Jagannatham “Channel Estimation Techniques for CP-Aided OTFS Systems Relying on Practical Pulse Shapes”, in IEEE International Conference on Signal Processing and Communications (SPCOM), IEEE, 2022

J. Singh, I. Chatterjee, S. Srivastava and A. K. Jagannatham “Hybrid Transceiver Design and Optimal Power Allocation in Downlink mmWave Hybrid MIMO Cognitive Radio Systems”, in IEEE 28th National Conference on Communications (NCC), IEEE, 2022

S. Srivastava and A. K. Jagannatham, “MSBL-based Simultaneous Sparse Channel Estimation in SC Wideband mmWave Hybrid MIMO Systems”, in IEEE Global Communications Conference (GLOBECOM), IEEE, 2020 (*supported with IEEE ComSoc travel grant and free registration)

S. Srivastava, A. Mishra, A. K. Jagannatham and G. Ascheid, “SBL-Based Hybrid Precoder/ Combiner Design for Power and Spectrally Efficient Millimeter Wave MIMO Systems”, in IEEE International Conference on Signal Processing and Communications (SPCOM), IEEE, 2020

S. Srivastava, M. S. Kumar, A. Mishra and A. K. Jagannatham, “Sparse Kalman Filtering (SKF) Aided Doubly-Selective Channel Estimation in STTC MIMO-OFDM Systems”, in IEEE International Conference on Signal Processing and Communications (SPCOM), IEEE, 2020

A. Rawat, S. Dwivedi, S. Srivastava and A. K. Jagannatham, “RLS-Based Adaptive Time-Varying RCS Estimation and Imaging in MIMO Radar Systems”, in IEEE 26th National Conference on Communications (NCC), IEEE, 2020

V. Singh, S. Srivastava and A. K. Jagannatham, “Superimposed Pilots based Adaptive Time-Selective Channel Estimation in MU-MIMO Systems”, in IEEE 26th National Conference on Communications (NCC), IEEE, 2020

S. Srivastava, M. P. Suradkar and A. K. Jagannatham, “BSBL-based Block-Sparse Channel Estimation for Affine Precoded OSTBC MIMO-OFDM Systems”, in IEEE 26th National Conference on Communications (NCC), IEEE, 2020

S. Srivastava, Ch. S. K. Patro, A. K. Jagannatham and G. Sharma, “Sparse Bayesian Learning (SBL)-Based Frequency-Selective Channel Estimation for Millimeter Wave Hybrid MIMO Systems”, in IEEE 25th National Conference on Communications (NCC), IEEE, 2019

S. Srivastava and A. K. Jagannatham, “Sparse Bayesian learning based Kalman filtering (SBL-KF) for group-sparse channel estimation in doubly-selective mmWave hybrid MIMO systems”, in IEEE 20th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC), IEEE, 2019